Home / 71,910,341.91-99,236,229.06-38,870,591.58

Finding the Fourth Proportional to 71,910,341.91, 99,236,229.06 and 38,870,591.58

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Solution

The fourth proportional to 71,910,341.91, 99,236,229.06 and 38,870,591.58 is: 53,641,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,910,341.91 : 99,236,229.06 = 38,870,591.58 : x
  2. Step 2: Convert to fraction form
    71,910,341.91/99,236,229.06 = 38,870,591.58/x
  3. Step 3: Cross multiply
    71,910,341.91x = 99,236,229.06 × 38,870,591.58
  4. Step 4: Simplify right side
    71,910,341.91x = 3,857,370,929,730,587
  5. Step 5: Solve for x
    x = 3,857,370,929,730,587/71,910,341.91
  6. Step 6: Final answer
    x = 53,641,393.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.